Other Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Income And Expense
Total other income and (expenses)	$ 348	$ 237	$ 251
SCE
Other Income And Expense
Equity allowance for funds used during construction	137	118	121
Increase in cash surrender value of life insurance policies and life insurance benefits	42	40	66
Interest income	80	3	20
Net periodic benefit income (costs) - non-service components	136	123	102
Civic, political and related activities and donations	(42)	(39)	(42)
Other	(16)	(12)	(12)
Total other income and (expenses)	337	233	255
Edison International Parent and Other
Other Income And Expense
Interest income	9
Net periodic benefit income (costs) - non-service components	(2)	(2)	(2)
Other	$ 4	$ 6	$ (2)